- Anita walked the dog last night. Anita didn't walk the dog last night.
- Vanya visited his grandpa yesterday. Vanya didn't visit his grandpa yesterday.
- They lived in Ufa last year. They didn't live in Ufa last year.
Ответ: Anita didn't walk the dog last night; Vanya didn't visit his grandpa yesterday; They didn't live in Ufa last year.